@article{IPM_1989__16_6_69105,
     author = {{\CYRL}.{\CYRL}. {\CYRG}{\cyrl}{\cyra}{\cyrz}{\cyrery}{\cyrr}{\cyri}{\cyrn}{\cyra} and {\CYRM}.{\CYRF}. {\CYRP}{\cyra}{\cyrv}{\cyrl}{\cyro}{\cyrv}{\cyra}},
     title = {{\CYRO} {\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrm} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrn}{\cyre}{\cyrs}{\cyrt}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyra}{\cyrr}{\cyrn}{\cyro}{\cyrishrt} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {\cyrs}{\cyro}{\cyrv}{\cyrm}{\cyre}{\cyrs}{\cyrt}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrd}{\cyrv}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrg}{\cyrr}{\cyru}{\cyrn}{\cyrt}{\cyro}{\cyrv}{\cyrery}{\cyrh} {\cyri} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrn}{\cyrery}{\cyrh} {\cyrv}{\cyro}{\cyrd}},
     journal = {Issledovanija po prikladnoj matematike},
     pages = {34--40},
     publisher = {mathdoc},
     volume = {16},
     number = {6},
     year = {1989},
     zbl = {0800.76299},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IPM_1989__16_6_69105/}
}